Pen Type: Metal Multi Function Pen
Switzerland imported refill: smooth writing and smear-proof, retractable and refillable
0.5mm fine point draws razor-sharp, consistent lines
Handy retractable and rotatable design, convenient to use
All-metal precision connection parts, 50,000 times rotation life test
Pen Lead Diameter: 0.5mm
Product weight: 0.0200 kg
Product size (L x W x H): 14.30 x 0.95 x 0.95 cm / 5.63 x 0.37 x 0.37 inches
Note:this is xiaomi original pen, the color of the ink is black,no blue ink, the other colors of the ink must not be original, because xiaomi original pen only black ink.
If you feel xiaomi metal pen price is too high, you can buy this xiaomi sign pen.